TY - JOUR TI - Preconcentration with anion-exchange resin in a flow injection system to determine low levels of chloride ions in interior waters PY - 1993 AU - Reis, Boaventura Freire dos AU - Giné-Rosias, Maria Fernanda Georgina AU - Santos Filha, M M AU - Baccan, Nivaldo T2 - Journal of the Brazilian Chemical Society PP - São Paulo VL - 3 IS - 3 SP - 80-5 ER -